diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/xhci_commands.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci_commands.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci_commands.c b/payloads/libpayload/drivers/usb/xhci_commands.c index d633cc5762..a4078030c6 100644 --- a/payloads/libpayload/drivers/usb/xhci_commands.c +++ b/payloads/libpayload/drivers/usb/xhci_commands.c @@ -75,7 +75,13 @@ xhci_wait_for_command(xhci_t *const xhci, /* Abort command on timeout */ xhci_debug("Aborting command (@%p), CRCR: 0x%"PRIx32"\n", cmd_trb, xhci->opreg->crcr_lo); - xhci->opreg->crcr_lo |= CRCR_CS | CRCR_CA; + /* + * Ref. xHCI Specification Revision 1.2, May 2019. + * Section 5.4.5, Table 5-24. + * + * Abort the command and stop the ring. + */ + xhci->opreg->crcr_lo |= CRCR_CA; xhci->opreg->crcr_hi = 0; cc = xhci_wait_for_command_aborted(xhci, cmd_trb); |